Overview

"Defective colour vision, or ""colour blindness"" is a common affliction, particularly in males, where it affects eight percent of the population. There are different types of colour deficiency, each with degrees of severity, and some people have more practical colour recognition than others. This book is a comprehensive treatment of colour blindness. It looks at the causes of congenital colour deficiency, and acquired colour vision defects arising from ocular and general pathology or excessive use of therapeutic drugs. The design of clinical colour vision tests is fully explained and all the available tests documented. Detailed informatin is given on the optimum use of screening, classification, and occupational tests. Examples of typical results in different types of deficiency are included, together with advice on the examination of children and disadvantaged groups. A checklist is provided of occupations requiring normal colour vision or in which colour deficiency is a handicap. This is a practical book, designed for students and all professionals engaged in colour vision screening, but pitched at a level that should appeal to the non-specialist reader."

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9780192618702

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